2922278 has 4 divisors (see below), whose sum is σ = 4383420. Its totient is φ = 1461138.

The previous prime is 2922259. The next prime is 2922287. The reversal of 2922278 is 8722292.

2922278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730568 + ... + 730571.

It is an arithmetic number, because the mean of its divisors is an integer number (1095855).

2^2922278 is an apocalyptic number.

2922278 is a deficient number, since it is larger than the sum of its proper divisors (1461142).

2922278 is a wasteful number, since it uses less digits than its factorization.

2922278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461141.

The product of its digits is 8064, while the sum is 32.

The square root of 2922278 is about 1709.4671684475. The cubic root of 2922278 is about 142.9685490029.

The spelling of 2922278 in words is "two million, nine hundred twenty-two thousand, two hundred seventy-eight".